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Cheap flights from St. Louis to Canada from C$ 132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Canada departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Multiple Airlines Logo
10:57 a.m. - 2:40 p.m.STL-YYZ
26h 43m1 stop
Multiple Airlines Logo
9:45 a.m. - 1:57 p.m.YYZ-STL
29h 12m1 stop
C$ 343Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
10:57 a.m. - 2:40 p.m.STL-YYZ
26h 43m1 stop
Multiple Airlines Logo
9:45 a.m. - 1:57 p.m.YYZ-STL
29h 12m1 stop
C$ 345Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
American Airlines Logo
8:04 p.m. - 12:34 p.m.STL-YYC
17h 30m1 stop
American Airlines Logo
1:29 p.m. - 1:44 p.m.YYC-STL
23h 15m1 stop
C$ 388American Airlines
Find Deal
Wed, 22 Oct - Sun, 26 Oct
American Airlines Logo
8:04 p.m. - 12:34 p.m.STL-YYC
17h 30m1 stop
American Airlines Logo
1:29 p.m. - 8:09 a.m.YYC-STL
17h 40m1 stop
C$ 396American Airlines
Find Deal
Wed, 15 Oct - Sun, 19 Oct
United Airlines Logo
8:21 a.m. - 11:41 a.m.STL-YYC
28h 20m1 stop
United Airlines Logo
2:00 p.m. - 12:43 p.m.YYC-STL
21h 43m1 stop
C$ 440United Airlines
Find Deal
Tue, 3 Mar - Wed, 4 Mar
United Airlines Logo
3:23 p.m. - 2:08 p.m.STL-YEG
23h 45m2 stops
United Airlines Logo
3:17 p.m. - 10:49 a.m.YEG-STL
18h 32m2 stops
C$ 454United Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Delta Logo
10:45 a.m. - 8:54 p.m.STL-YVR
12h 09m2 stops
Delta Logo
7:25 a.m. - 11:07 p.m.YVR-STL
13h 42m2 stops
C$ 542Delta
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Delta Logo
6:30 a.m. - 6:47 p.m.STL-YVR
14h 17m2 stops
Delta Logo
6:15 a.m. - 11:10 p.m.YVR-STL
14h 55m2 stops
C$ 556Delta
Find Deal
Thu, 22 Jan - Mon, 26 Jan
Air Canada Logo
4:05 p.m. - 7:06 p.m.STL-YYZ
2h 01mdirect
Air Canada Logo
2:00 p.m. - 3:29 p.m.YYZ-STL
2h 29mdirect
C$ 564Air Canada
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Air Canada Logo
4:05 p.m. - 7:06 p.m.STL-YYZ
2h 01mdirect
Air Canada Logo
2:00 p.m. - 3:29 p.m.YYZ-STL
2h 29mdirect
C$ 574Air Canada
Find Deal
Thu, 30 Oct - Sun, 2 Nov

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
30 Oct
STL4:05 p.m.Lambert-St Louis
2h 01m
YYZ7:06 p.m.Toronto Pearson Intl
6 Nov
YYZ2:00 p.m.Toronto Pearson Intl
2h 29m
STL3:29 p.m.Lambert-St Louis
C$ 564
Find similar
Air Canada
30 Oct
STL4:05 p.m.Lambert-St Louis
2h 01m
YYZ7:06 p.m.Toronto Pearson Intl
2 Nov
YYZ2:00 p.m.Toronto Pearson Intl
2h 29m
STL3:29 p.m.Lambert-St Louis
C$ 574
Find similar
Air Canada
9 Oct
STL12:25 p.m.Lambert-St Louis
7h 50m
1 stop
YVR6:15 p.m.Vancouver Intl
15 Oct
YVR9:25 a.m.Vancouver Intl
12h 33m
2 stops
STL11:58 p.m.Lambert-St Louis
C$ 652
Find similar

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
22 Oct
STL8:04 p.m.Lambert-St Louis
17h 30m
1 stop
YYC12:34 p.m.Calgary
26 Oct
YYC1:29 p.m.Calgary
23h 15m
1 stop
STL1:44 p.m.Lambert-St Louis
C$ 388
Find similar
American Airlines
15 Oct
STL8:04 p.m.Lambert-St Louis
17h 30m
1 stop
YYC12:34 p.m.Calgary
19 Oct
YYC1:29 p.m.Calgary
17h 40m
1 stop
STL8:09 a.m.Lambert-St Louis
C$ 396
Find similar
American Airlines
13 Oct
STL8:42 a.m.Lambert-St Louis
27h 54m
1 stop
YQB1:36 p.m.Québec City
17 Oct
YQB4:14 p.m.Québec City
24h 50m
1 stop
STL4:04 p.m.Lambert-St Louis
C$ 399
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Canada that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 30/10

10:57 a.m.-2:40 p.m.

1 stop26h 43m

Toronto Pearson Intl

Thu 6/11

9:45 a.m.-1:57 p.m.

1 stop29h 12m

C$ 343

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 30/10

10:57 a.m.-2:40 p.m.

1 stop26h 43m

Toronto Pearson Intl

Thu 6/11

9:45 a.m.-1:57 p.m.

1 stop29h 12m

C$ 345

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 22/10

8:04 p.m.-12:34 p.m.

1 stop17h 30m

Calgary

Sun 26/10

1:29 p.m.-1:44 p.m.

1 stop23h 15m

C$ 388

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 15/10

8:04 p.m.-12:34 p.m.

1 stop17h 30m

Calgary

Sun 19/10

1:29 p.m.-8:09 a.m.

1 stop17h 40m

C$ 396

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 3/3

8:21 a.m.-11:41 a.m.

1 stop28h 20m

Calgary

Wed 4/3

2:00 p.m.-12:43 p.m.

1 stop21h 43m

C$ 440

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 14/10

3:23 p.m.-2:08 p.m.

2 stops23h 45m

Edmonton

Tue 21/10

3:17 p.m.-10:49 a.m.

2 stops18h 32m

C$ 454

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 1/11

10:45 a.m.-8:54 p.m.

2 stops12h 09m

Vancouver Intl

Sat 8/11

7:25 a.m.-11:07 p.m.

2 stops13h 42m

C$ 542

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 22/1

6:30 a.m.-6:47 p.m.

2 stops14h 17m

Vancouver Intl

Mon 26/1

6:15 a.m.-11:10 p.m.

2 stops14h 55m

C$ 556

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 30/10

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Thu 6/11

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 564

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 30/10

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Sun 2/11

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 574

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Canada from

How to get the cheapest flight ticket from St. Louis to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Canada?

In general, November is the cheapest month to fly from St. Louis to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 362. If you’re not able to fly to Canada in November, then January is your next best option. Flight prices from St. Louis to Canada during January average around C$ 393.

What is the cheapest day to depart on your flight to Canada?

Our data shows that Thursday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 355. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 923. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

What is the cheapest time of day to depart on your flight to Canada?

According to our data, the cheapest time of day to fly to Canada is at noon. momondo users have found flights departing from St. Louis to Canada at noon for as low as C$ 590. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 895 per ticket.

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Canada flight prices

How far in advance should I book a flight to Canada?

You are more likely to see cheaper flights to Canada from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 644 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as C$ 304 on momondo.

What cabin class options are available on Lambert-St Louis to Canada flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Canada flights?

You could potentially save up to 30% on your flight if you consider stops on a St. Louis to Canada flight.

Cheap St. Louis to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada

Best price found

C$ 576

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Canada

2 airports
The best one-way flight to Canada from St. Louis in the past 72 hours is C$ 576. The best round-trip flight deal from St. Louis to Canada found on momondo in the last 72 hours is C$ 835.
The fastest flight from St. Louis to Canada takes 1h 55m
Direct flights go from St. Louis to Canada every day.
There are 2 airports near Canada: Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ)
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?

    Prices for flights from Lambert-St Louis Airport to Canada are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?

  • How old do you have to be to fly from Lambert-St Louis Airport to Canada?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Canada.

  • What documentation or ID do you need to fly to Canada?

    The travel and health documents you'll need for your trip to Canada may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Canada. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Canada?

Best airlines flying from St. Louis to Canada

Compare and see reviews for airlines that fly from St. Louis to Canada with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 300Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Canada?

It is quick and easy to find St. Louis to Canada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Canada that suits you.

Can I find flights from St. Louis to Canada with flexible booking policies on momondo?

Yes. All flights to Canada from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Canada?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Canada.

I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.

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Find better results for your trip to Canada

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Popular flights according to clicks in the last 7 days on momondo
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